{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1731146d90c4b8dc31cc719de30a3c5397cc851c278b537f4830fb3bada96058",
    "signature": "0x04518eb37def7e859753ee6250c1241ed9edaf55559278d7d0b0922d969376fe36fcde23c9fcb5ca46b5e7bc6b725ff65702040c9668f2e3cf2f8f5ba5300c4f1b",
    "signer": "0xDB3069e47C38Da8d375A3eC24D197edce987cebC",
    "userId": "948417971"
  }
}